68 pages. "ERISA 403(b) plan assets account for more than half of estimated total 403(b) plan assets. This report analyzes 403(b) plans covered by ERISA that also filed Form 5500 Schedule H ... About half of ERISA 403(b) plan participants are in hospital plans, which held 37 percent of ERISA 403(b) plan assets in plan year 2017. Another 23 percent of ERISA 403(b) plan participants were in educational services, holding nearly half (46 percent) of ERISA 403(b) plan assets.... Among large ERISA 403(b) plans with employer contributions in 2017, 26 percent had automatic employer contributions, 58 percent had simple matches, and 8 percent had both of these features.... Overall, 54 percent of large ERISA 403(b) plans had participant loans outstanding, and about three-quarters of participants were in those plans in 2017."